New York City firefighters and Metropolitan Transportation Authority (MTA) workers attend an emergency during a derailed F train in Woodside, New York

New York City firefighters and Metropolitan Transportation Authority (MTA) workers attend an emergency during a derailed F train in Woodside, New York, May 2, 2014. A New York City subway train carrying 1,000 riders derailed on Friday morning while traveling through a tunnel in the borough of Queens, injuring 19 people, city fire officials said. Fifteen people escaped with minor injuries while four more were transported to a hospital with potentially serious injuries, officials said. REUTERS/Eduardo Munoz (UNITED STATES - Tags: SOCIETY DISASTER TRANSPORT)